TUNABLE DUAL-BAND BAND-PASS FILTER

A tunable dual-band resonator and a tunable dual-band band-pass filter using the tunable dual-band resonator. The dual-band resonator is structured such that a stub is added to each half-wavelength resonator provided with half-wavelength resonator protrusions (capacity-component adjust parts). The d...

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Bibliographic Details
Main Authors KITADA Noritaka, KISHIDA Kazuhito, SATO Yasuo, TERAO Katsuhiro, SEKIYA Naoto
Format Patent
LanguageEnglish
Published 02.02.2017
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Summary:A tunable dual-band resonator and a tunable dual-band band-pass filter using the tunable dual-band resonator. The dual-band resonator is structured such that a stub is added to each half-wavelength resonator provided with half-wavelength resonator protrusions (capacity-component adjust parts). The dual-band resonator is made up of an odd-number mode resonator in a shape including a ground conductor disposed on the back surface of a dielectric body, and a strip conductor disposed on the top surface thereof, and an even-number mode resonator in such a shape as to be formed when the stub is connected to an end face on the opposite side of the open-end of the strip, characterized in that a dielectric rod circular in cross section is provided in the space above the respective stubs, and another dielectric rod circular in cross section is provided in the space above the half-wavelength resonator protrusions.
Bibliography:Application Number: US201514808183